Beam



FIG. 1 is a perspective view of one end and two sides of a beamaccording to a first embodiment showing my new design, the opposite endand remaining two sides being identical to the end and sides as shown;

FIG. 2 is a perspective view of one end and two sides of a beamaccording to a second embodiment, the opposite end and two remainingsides being identical to the end and sides as shown;

FIG. 3 is a perspective view of one end and two sides of a beamaccording to a third embodiment, the opposite end and two remainingsides being identical to the end and sides as shown; and,

FIG. 4 is a perspective view of one end and two sides of a beamaccording to a fourth embodiment, the opposite end and two remainingsides being identical to the end and sides as shown.

The ornamental design for a beam, as shown and described.